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Alarid is used to treating inflammation (redness and swelling) due to allergies of the eye. It helps to provide relief from red, itchy, and watery eyes. Alarid is for external use only.
Indications
Ketotifen eye drop is used to treat the signs and symptoms of allergic conjunctivitis, such as vernal keratoconjunctivitis, vernal keratitis, blepharitis, blepharo-conjunctivitis, and giant papillary conjunctivitis (itchy, watery, red, swollen eyes and eyelids).
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Pharmacology
Ketotifen is a potent anti-allergic substance possessing a powerful and sustained non-competitive histamine (H1) receptor blocking property. Ketotifen inhibits the release of mediators (e.g histamine, leukotrienes and prostaglandins) from cells responsible for type-(I) allergic reactions. Ketotifen also stabilizes mast cells, decreases chemotaxis, activation of degranulation of eosinophils.
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Dosage & Administration
Adults and children 3 years and older: 1 drop in the affected eye(s) twice daily, every 8-12 hours, not more than twice per day.
Children under 3 years of age: Consult with a doctor.
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Interaction
If Ketotifen eye drops is used concomitantly with other eye medications there must be an interval of at least 5 minutes between the two medications.
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Contraindications
Hypersensitivity to Ketotifen or any of the components.
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Side Effects
Common side effects are burning, stinging, punctate corneal epithelial erosion, Blurring of vision upon drug instillation, dry eyes, eyelid disorder, conjunctivitis, eye pain, photophobia, subconjunctival haemorrhage.
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Pregnancy & Lactation
There is insufficient information about the usage of ketotifen eye drops in pregnant women. Systemic levels are significantly lower after ocular administration than after oral treatment. Prescriptions for pregnant women should be handled with caution. Although animal research shows excretion into breast milk after oral administration, topical application to humans is unlikely to yield detectable amounts in breast milk. During lactation, ketotifen 0.25 percent eye drops can be utilized.
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Precautions & Warnings
The formulation of Ketotifen 0.025% eye drops contains benzalkonium chloride as a preservative, which may be deposited in soft contact lenses; therefore these eye drops should not be instilled while the patient is wearing lenses. The lenses should be removed before the application of the drops and not reinserted earlier than 15 minutes after use.
Storage Conditions
Store in a cool and dry place protected from light and moisture. Keep out of reach of children. Do not touch the dropper tip to any surface since this may contaminate the solution. Do not use after 30 days of the first opening.